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BOSTON MARATHON 2023

Alexander Brenner

Bib: 3583•M

TX

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0:00
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Overall
#0 / 26622
Top 13%
Gender (Male)
#0 / 15176
Top 22%
Division (M18-39)
#0 / 5285
Top 45%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:52
Rank: #3808
Start → 5K
20:52 | 6:43/mi
10K· 6.21 mi
41:32
Rank: #3808
5K → 10K
20:40 | 6:39/mi
15K· 9.32 mi
1:02:02
Rank: #3602 (+206)
10K → 15K
20:30 | 6:36/mi
20K· 12.43 mi
1:22:42
Rank: #3490 (+112)
15K → 20K
20:40 | 6:39/mi
Half· 13.11 mi
1:27:15
Rank: #3503 (-13)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:43:35
Rank: #3497 (+6)
Half → 25K
16:20 | 6:44/mi
30K· 18.64 mi
2:05:21
Rank: #3644 (-147)
25K → 30K
21:46 | 7:00/mi
20M
2:14:45
Rank: #3595 (+49)
30K → 20M
9:24 | 6:55/mi
21M
2:22:05
Rank: #3580 (+15)
20M → 21M
7:20 | 7:20/mi
35K· 21.75 mi
2:27:06
Rank: #3561 (+19)
21M → 35K
5:01 | 6:42/mi
23M
2:35:54
Rank: #3550 (+11)
35K → 23M
8:48 | 7:02/mi
24M
2:42:44
Rank: #3557 (-7)
23M → 24M
6:50 | 6:50/mi
40K· 24.85 mi
2:48:47
Rank: #3571 (-14)
24M → 40K
6:03 | 7:05/mi
25.2M
2:51:20
Rank: #3556 (+15)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:58:06
Rank: #3522 (+34)
25.2M → Finish
6:46 | 6:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:15
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:30:51
Pace6:56 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:1420:526:4320:52
6:43
-
10K
6.21 mi10:42:5441:326:4120:40
6:39
-0:04
15K
9.32 mi11:03:241:02:026:3920:30
6:36
-0:03
20K
12.43 mi11:24:041:22:426:3920:40
6:39
+0:03
Half
13.11 mi11:28:371:27:156:394:33
6:40
+0:01
25K
15.53 mi11:44:571:43:356:4016:20
6:44
+0:04
30K
18.64 mi12:06:432:05:216:4321:46
7:00
+0:16
20M
20.00 mi12:16:072:14:456:449:24
6:55
-0:05
21M
21.00 mi12:23:272:22:056:467:20
7:20
+0:25
35K
21.75 mi12:28:282:27:066:465:01
6:42
-0:38
23M
23.00 mi12:37:162:35:546:478:48
7:02
+0:20
24M
24.00 mi12:44:062:42:446:476:50
6:50
-0:12
40K
24.85 mi12:50:092:48:476:476:03
7:05
+0:15
25.2M
25.20 mi12:52:422:51:206:482:33
7:24
+0:19
Finish
26.22 mi12:59:282:58:066:486:46
6:38
-0:46

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:36 /mi

Average Pace

6:48 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:13

94% of race

Time at Steady Pace

9:53

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:48 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:22:1420:526:4320:52
6:43
#3808
10K
6.21 mi10:42:5441:326:4120:40
6:39
#3808
15K
9.32 mi11:03:241:02:026:3920:30
6:36
#3602
20K
12.43 mi11:24:041:22:426:3920:40
6:39
#3490
Half
13.11 mi11:28:371:27:156:394:33
6:40
#3503
25K
15.53 mi11:44:571:43:356:4016:20
6:44
#3497
30K
18.64 mi12:06:432:05:216:4321:46
7:00
#3644
20M
20.00 mi12:16:072:14:456:449:24
6:55
#3595
21M
21.00 mi12:23:272:22:056:467:20
7:20
#3580
35K
21.75 mi12:28:282:27:066:465:01
6:42
#3561
23M
23.00 mi12:37:162:35:546:478:48
7:02
#3550
24M
24.00 mi12:44:062:42:446:476:50
6:50
#3557
40K
24.85 mi12:50:092:48:476:476:03
7:05
#3571
25.2M
25.20 mi12:52:422:51:206:482:33
7:24
#3556
Finish
26.22 mi12:59:282:58:066:486:46
6:38
#3522
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3808357935793281(Top 12%)3116(Top 21%)3116(Top 59%)
10K6.21 mi3.10 mi38083587-83587-83897(Top 15%)3670(Top 24%)3670(Top 69%)
15K9.32 mi3.11 mi3602+2063404+1833404+1833281(Top 12%)3116(Top 21%)3116(Top 59%)
20K12.43 mi3.11 mi3490+1123307+973307+973201(Top 12%)3042(Top 20%)3042(Top 58%)
Half13.11 mi0.68 mi3503-133318-113318-114008(Top 15%)3760(Top 25%)3760(Top 71%)
25K15.53 mi2.42 mi3497+63317+13317+13642(Top 14%)3431(Top 23%)3431(Top 65%)
30K18.64 mi3.11 mi3644-1473445-1283445-1284363(Top 16%)4051(Top 27%)4051(Top 77%)
20M20.00 mi1.36 mi3595+493401+443401+443521(Top 13%)3286(Top 22%)3286(Top 62%)
21M21.00 mi1.00 mi3580+153388+133388+133768(Top 14%)3491(Top 23%)3491(Top 66%)
35K21.75 mi0.75 mi3561+193370+183370+183588(Top 13%)3322(Top 22%)3322(Top 63%)
23M23.00 mi1.25 mi3550+113354+163354+163914(Top 15%)3603(Top 24%)3603(Top 68%)
24M24.00 mi1.00 mi3557-73361-73361-73814(Top 14%)3486(Top 23%)3486(Top 66%)
40K24.85 mi0.85 mi3571-143370-93370-94217(Top 16%)3752(Top 25%)3752(Top 71%)
25.2M25.20 mi0.35 mi3556+153355+153355+153379(Top 13%)3062(Top 20%)3062(Top 58%)
Finish26.22 mi1.02 mi3522+343317+383317+383193(Top 12%)2870(Top 19%)2870(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3281

Males

3116

M18-39

3116

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

3897

Males

3670

M18-39

3670

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3281

Males

3116

M18-39

3116

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3201

Males

3042

M18-39

3042

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4008

Males

3760

M18-39

3760

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3642

Males

3431

M18-39

3431

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4363

Males

4051

M18-39

4051

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3521

Males

3286

M18-39

3286

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3768

Males

3491

M18-39

3491

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3588

Males

3322

M18-39

3322

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

3914

Males

3603

M18-39

3603

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3814

Males

3486

M18-39

3486

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4217

Males

3752

M18-39

3752

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3379

Males

3062

M18-39

3062

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3193

Males

2870

M18-39

2870

Passing Analysis

Category:
Athletes Passed
1159
Passed By
873
Net Change
+286
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3808
5K → 10K2112110#3808#3808
10K → 15K23731+206#3808#3602
15K → 20K14028+112#3602#3490
20K → Half1023-13#3490#3503
Half → 25K8276+6#3503#3497
25K → 30K54201-147#3497#3644
30K → 20M8031+49#3644#3595
20M → 21M5439+15#3595#3580
21M → 35K4526+19#3580#3561
35K → 23M6857+11#3561#3550
23M → 24M4047-7#3550#3557
24M → 40K3953-14#3557#3571
40K → 25.2M238+15#3571#3556
25.2M → Finish7642+34#3556#3522
TOTALS1159873+286
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing